Sharp LC-15S4US LC-15S4U-S Operation Manual - Page 33
Troubleshooting
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Troubleshooting ■ Before calling for repair services, make the following checks for possible remedies to the encountered symptoms. LCD TV set Problem Check item Reference page • Make sure the AC adapter is properly inserted in the 8 Sound Picture There is no power outlet. • Reception other than those of broadcasting stations can - picture or be considered. sound. • Make sure the input mode is set to TV. 15 • Make sure the POWER switch of the main unit is on. 14 There is no • Make sure the BRIGHTNESS is properly adjusted. 19 Picture picture. • Fluorescent lamp may have reached the end of service 34 There is no life. picture from • Make sure the S-VIDEO terminal has nothing connected. 32 INPUT2 or • Make sure the AUDIO ONLY is not set to ON. 28 INPUT3. • Make sure the volume is not set to minimum. 15 There is no • Make sure the sound is not set to mute. 15 sound. • Make sure that headphones are not connected. 9 There is no • Make sure the antenna cable is properly connected. 7, 8 picture or • Bad reception could be the problem. - sound, just noise. • Make sure the antenna cable is properly connected. 7, 8 Picture is • Bad reception could be the problem. - not clear. Picture is light or improperly tinted. • Check color adjustment. • Check COLOR SYSTEM setting. 19, 20 22 The picture is too dark. • Press the BACKLIGHT button or set the BACKLIGHT or BRIGHTNESS settings. • Check CONTRAST and BRIGHTNESS adjustment. • Fluorescent lamp may have reached the end of service life. Remote control does not work. • Check the batteries of the remote control. • Make sure the remote sensor window is not under strong lighting. The clock (AUTO CLOCK) cannot be set. Unit cannot be operated. • The broadcasted EDS signal may be weak. Check the antenna. • Carry out EZ SETUP or Setting the CLOCK again. • If EDS signal is not sent, set the clock using MANUAL CLOCK Setting. • External influences such as lightning, static electricity, etc., may cause improper operation. In this case, operate the unit after first turning the power off the LCD TV set, or unplugging the AC cord and re-plugging it in after 1 or 2 minutes. 19 19 34 6 6 - 12, 13, 21 13 - 33